Telephone | History, Definition, Invention, Uses, & Facts | Britannica
Dec 5, 2025 · Billions of telephones are in use around the world. This article describes the functional components of the modern telephone and traces the historical development of the …
Telephone - Invention, Technology, History | Britannica
Dec 5, 2025 · Telephone - Invention, Technology, History: The telephone instrument continued to evolve over time, as can be illustrated by the succession of American instruments described …
Telephone - Invention, Alexander Graham Bell, Communication
Dec 5, 2025 · Telephone - Invention, Alexander Graham Bell, Communication: Beginning in the early 19th century, several inventors made a number of attempts to transmit sound by electric …
telephone summary | Britannica
Alexander Graham Bell was an inventor, scientist, and teacher of the deaf whose foremost accomplishments, during a life lived in Canada and the United States, were the invention of …
Telephone - Network, Communication, Technology | Britannica
Dec 5, 2025 · Telephone - Network, Communication, Technology: In order to understand the many concepts represented in the public switched telephone network (PSTN), it is helpful to …
Telephone Definition & Meaning | Britannica Dictionary
TELEPHONE meaning: 1 : a system that uses wires and radio signals to send sounds (such as people's voices) over long distances phone; 2 : a device that is connected to a telephone …
Alexander Graham Bell | Biography, Education, Family, Telephone ...
Nov 27, 2025 · Alexander Graham Bell (1847–1922) was a British-American inventor, scientist, and teacher of the deaf whose foremost accomplishments were the invention of the telephone …
telephone - Kids | Britannica Kids | Homework Help
The telephone is a very common device for communicating over a distance. With a telephone, a person can talk almost instantly with someone on the other side of the world.
How the Telephone Was Invented | Britannica
Overview of the invention of the telephone, with a focus on the work by Alexander Graham Bell.
Mobile telephone | Definition & History | Britannica
Jan 6, 2026 · Mobile phones typically connect to the public switched telephone network (PSTN) through one of two categories: cellular telephone systems or global satellite-based telephony.